Household appliance air duct cleaning structure

Abstract

The utility model relates to the technical field of air duct cleaning structures, in particular to a household appliance air duct cleaning structure. According to the technical scheme, the dust removal device comprises a sleeve rod, a handle is fixedly connected to the end of the sleeve rod, the dust removal device further comprises an extension connecting rod piece inserted into the sleeve rod, the extension connecting rod piece comprises an extension rod, a brush cleaning piece is arranged at the outer end of the extension rod and used for brushing away dust on the inner wall of the air duct, and a dust scraping piece covers the outer side of the brush cleaning piece and used for scraping dust on the inner wall of the air duct. And dirt on the inner wall of the air duct is preliminarily scraped during cleaning. According to the air duct cleaning structure, the extending connecting rod piece is arranged in the sleeve rod, when the inner wall of the air duct is cleaned, the extending connecting rod piece can extend outwards and be fixed, the dust scraping piece can extend into the air duct, dirt on the inner wall of the air duct can be scraped by the scraping piece by rotating the cleaning structure, and after the inner wall of the air duct is scraped by the dust scraping piece, the dust scraping piece can be fixed. And then the brush cleaning piece extends into the air duct to clean the dust, so that the cleaning effect can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air duct cleaning structure, and particularly relates to a household appliance air duct cleaning structure. BACKGROUND

[0002] A household portable dust collector realizes high-efficiency cleaning effect through air flow dynamics and filtering technology, and its core principle is three steps of suction, filtration and discharge. The "suction" is completed through a negative pressure air duct. After the dust collector is used for a long time, the air duct needs to be cleaned regularly, otherwise the dust suction effect will be affected.

[0003] When the negative pressure pipeline is cleaned, an external cleaning brush needs to be used, the dust collector is in a power-off state during cleaning, one end of the dust collector is then disassembled, and the air duct opening is opened. However, the cleaning brush still has some defects during cleaning, and it is difficult to clean relatively stubborn dirt on the inner wall of the air duct, and the ideal cleaning effect cannot be achieved. In addition, the length of the existing cleaning brush is not enough, and the deep part of the air duct cannot be cleaned. Therefore, the present application provides a household appliance air duct cleaning structure. CONTENT OF THE UTILITY MODEL

[0004] The present application aims at the technical problems in the background art, and provides a household appliance air duct cleaning structure.

[0005] The technical scheme of the present application is a household appliance air duct cleaning structure, which comprises a sleeve rod, the end of the sleeve rod is fixedly connected with a handle, and further comprises:

[0006] An extension connecting rod is inserted into the sleeve rod, the extension connecting rod comprises an extension rod, the outer end of the extension rod is provided with a brush cleaning piece for brushing dust on the inner wall of the air duct, and the outer side of the brush cleaning piece is covered with a dust scraping piece for preliminarily scraping dirt on the inner wall of the air duct during cleaning.

[0007] Preferably, the outer wall of the extension rod and the inner wall of the sleeve rod have a certain gap, the inner end of the extension rod is fixedly connected with a positioning magnet, the positioning magnet is slidingly connected in the sleeve rod, the inner wall of the end of the sleeve rod away from the handle is fixedly embedded with a magnet sleeve, the magnet sleeve and the positioning magnet are attracted to each other, and the inner wall of the side of the sleeve rod close to the handle is fixedly connected with a magnet sheet, the magnet sheet and the positioning magnet are attracted to each other.

[0008] Preferably, the brush cleaning piece comprises a connecting sleeve threadedly connected to the end of the extension rod, the outer side wall of the connecting sleeve is provided with bristles, and the end of the connecting sleeve away from the handle is fixedly connected with a positioning protrusion.

[0009] Preferably, the dust scraping piece comprises a cover body covering the outer side of the bristles, and the cover body can fold the bristles on the outer wall of the connecting sleeve.

[0010] Preferably, the ash scraping member further comprises a positioning cover fixedly connected to the outer end of the cover body, the positioning cover is sleeved on the outer side of the positioning protrusion, a threaded groove is formed on the positioning protrusion, and the positioning cover and the positioning protrusion are fixed by bolts.

[0011] Preferably, the side wall of the cover body is fixedly connected with a plurality of scraping blades for scraping dirt on the inner wall of the air duct.

[0012] Preferably, when the ash scraping member is disassembled, the bolt is tightened in the threaded groove to prevent dust from entering the threaded groove when the brush cleaning member is cleaning the inner wall of the air duct.

[0013] Compared with the prior art, the ash scraping member has the following beneficial technical effects:

[0014] The application sets an extension connecting rod in the sleeve rod, which can be extended outward and fixed when cleaning the inner wall of the air duct, so that the ash scraping member can be extended into the air duct, and the scraping blades can scrape dirt on the inner wall of the air duct by rotating the cleaning structure, making the next cleaning easier.

[0015] When the ash scraping member is removed after scraping the inner wall of the air duct, the bristles will be unfolded outward, and the brush cleaning member will be extended into the air duct to clean the dust, which can improve the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of a household appliance air duct cleaning structure;

[0017] Figure 2 is a right side view of the application Figure 1 ;

[0018] Figure 3 is a connection structure diagram of the ash scraping member and the brush cleaning member in the application;

[0019] Figure 4 is Figure 2 an enlarged structure diagram of A in ;

[0020] REFERENCE SIGNS: 1, sleeve rod; 2, extension connecting rod; 21, extension rod; 22, positioning magnet; 23, magnet sleeve;

[0021] 3, fixed sleeve; 4, brush cleaning member; 41, connecting sleeve; 42, bristle; 43, positioning protrusion;

[0022] 5, threaded groove; 6, bolt; 7, ash scraping member; 71, cover body; 72, positioning cover; 73, scraping blade;

[0023] 8, handle. DETAILED DESCRIPTION

[0024] The technical solutions of the present application are further described in detail below in combination with the drawings and specific embodiments.

[0025] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application.

[0026] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Embodiments

[0030] As Figures 1-4 shown, the household appliance air duct cleaning structure provided by the present application comprises a sleeve rod 1, the end of the sleeve rod 1 is fixedly connected with a handle 8, when operating, the handle 8 is held to extend the other end of the cleaning structure into the air duct.

[0031] It also comprises an extension connecting rod 2 inserted into the sleeve rod 1, the extension connecting rod 2 comprises an extension rod 21, the outer end of the extension rod 21 is provided with a brush cleaning piece 4 for brushing off the dust on the inner wall of the air duct, the outer side of the brush cleaning piece 4 is covered with a dust scraping piece 7 for preliminarily scraping off the dirt on the inner wall of the air duct.

[0032] Specifically, the outer wall of the extension rod 21 has a certain gap with the inner wall of the sleeve rod 1, the inner end of the extension rod 21 is fixedly connected with a positioning magnet 22, the connecting groove in the sleeve rod 1 is a rectangular groove, and the positioning magnet 22 is also rectangular. When the sleeve rod 1 is rotated for cleaning, the extension rod 21 will not rotate. The positioning magnet 22 is slidingly connected in the interior of the sleeve rod 1, a magnet sleeve 23 is fixedly embedded in the inner wall of the end of the sleeve rod 1 away from the handle 8, the magnet sleeve 23 and the positioning magnet 22 are attracted to each other, a magnet sheet is fixedly connected to the inner wall of the side of the sleeve rod 1 close to the handle 8, and the magnet sheet and the positioning magnet 22 are attracted to each other. A fixing sleeve 3 is fixedly sleeved at the outer end of the extension rod 21, and the fixing sleeve 3 can be held when the extension connecting rod 2 is controlled.

[0033] Specifically, the brush cleaning piece 4 comprises a connecting sleeve 41 threadedly connected at the end of the extension rod 21, the outer side wall of the connecting sleeve 41 is provided with bristles 42, and the end of the connecting sleeve 41 away from the handle 8 is fixedly connected with a positioning protrusion 43. The cross section of the positioning protrusion 43 is rectangular. The ash scraping piece 7 comprises a cover body 71 covering the outer side of the bristles 42, and the cover body 71 can fold the bristles 42 on the outer wall of the connecting sleeve 41.

[0034] The ash scraping piece 7 further comprises a positioning cover 72 fixedly connected to the outer end of the cover body 71, the positioning cover 72 is sleeved on the outer side of the positioning protrusion 43, a threaded groove 5 is formed in the positioning protrusion 43, and the positioning cover 72 and the positioning protrusion 43 are fixed through the bolt 6. The side wall of the cover body 71 is fixedly connected with a plurality of scraping sheets 73 for scraping dirt on the inner wall of the air duct. The scraping sheets 73 can scrape some stubborn stains adhered to the inner wall of the air duct, facilitating the cleaning of the air duct by the brush cleaning piece 4. When the ash scraping piece 7 is disassembled, the bolt 6 is screwed in the threaded groove 5, so that dust does not enter the threaded groove 5 when the brush cleaning piece 4 cleans the inner wall of the air duct.

[0035] The working principle of the embodiment is as follows: when the inner wall of the air duct of the dust collector is cleaned, the ash scraping piece 7 is covered on the outer side of the brush cleaning piece 4, then the extension rod 21 is pulled out, the positioning magnet 22 is separated from the magnet sheet by pulling and tugging outwardly at the beginning, the extension rod 21 is continuously pulled out outwardly, until the positioning magnet 22 moves to the inner wall of the magnet sleeve 23, at this time, the positioning magnet 22 and the magnet sleeve 23 are attracted to each other, so that the extension rod 21 is fixed at the end of the sleeve rod 1 after being stretched out. Then the ash scraping piece 7 is inserted into the inner wall of the air duct of the dust collector, and then the sleeve rod 1 is rotated to rotate the ash scraping piece 7 in the air duct. The plurality of scraping sheets 73 can scrape stubborn substances on the inner wall of the air duct. The ash scraping piece 7 is inserted to different depths when the dirt is scraped, and the scraping is comprehensively completed.

[0036] After the dust scraping of the dust scraping member 7 is completed, the cleaning structure is taken out of the air duct, and then the bolt 6 is unscrewed, and the dust scraping member 7 is taken off. After the dust scraping member 7 is taken off, the bolt 6 is screwed into the threaded groove 5 (to prevent dirt from entering the threaded groove 5 during cleaning). After the dust scraping member 7 is taken off, the bristles 42 are unfolded, and then the inner wall of the air duct is cleaned by the brush cleaning member 4. The dirt is poured out from one end of the air duct.

[0037] The above specific embodiments are only preferred embodiments of the present application, and based on the technical solutions of the present application and the related inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments; the above specific embodiments are only an explanation of the present application, and are not a limitation of the present application.

Claims

1. A household appliance air duct cleaning structure comprising a sleeve rod (1), an end of the sleeve rod (1) being fixedly connected with a handle (8), characterized in that, Also include: Plug in the sleeve rod (1) inside the extension connecting rod (2), the extension connecting rod (2) includes extension rod (21), the outer end of the extension rod (21) is provided with a brush cleaning part (4), for brushing the dust on the inner wall of the air duct, the outer side cover of the brush cleaning part (4) is provided with a dust scraping part (7), which can preliminarily scrape the dirt on the inner wall of the air duct.

2. The air duct cleaning structure of claim 1, wherein, The outer wall of the extension rod (21) has a certain gap with the inner wall of the sleeve rod (1), the inner end of the extension rod (21) is fixedly connected with a positioning magnet (22), the positioning magnet (22) is slidably connected in the sleeve rod (1), the inner wall of the end of the sleeve rod (1) away from the handle (8) is fixedly embedded with a magnet sleeve (23), the magnet sleeve (23) and the positioning magnet (22) are attracted to each other, the inner wall of the side of the sleeve rod (1) close to the handle (8) is fixedly connected with a magnet sheet, and the magnet sheet and the positioning magnet (22) are attracted to each other.

3. The air duct cleaning structure of claim 2, wherein, The brush cleaning part (4) includes a connecting sleeve (41) screwed on the end of the extension rod (21), the outer side wall of the connecting sleeve (41) is provided with a brush (42), and the end of the connecting sleeve (41) away from the handle (8) is fixedly connected with a positioning lug (43).

4. The air duct cleaning structure of claim 3, wherein The dust scraping part (7) includes a cover body (71) covering the outer side of the brush (42), and the cover body (71) can fold the brush (42) on the outer wall of the connecting sleeve (41).

5. The air duct cleaning structure of a household electrical appliance according to claim 4, wherein The dust scraping part (7) further comprises a positioning cover (72) fixedly connected to the outer end of the cover body (71), the positioning cover (72) is sleeved on the outer side of the positioning lug (43), the positioning lug (43) is provided with a threaded groove (5), and the positioning cover (72) and the positioning lug (43) are fixed by a bolt (6).

6. The air duct cleaning structure of a household electrical appliance according to claim 5, wherein The side wall of the cover body (71) is fixedly connected with a plurality of scraping pieces (73) for scraping the dirt on the inner wall of the air duct.

7. The air duct cleaning structure of a household electrical appliance according to claim 5, wherein When the dust scraping part (7) is disassembled, the bolt (6) is tightened in the threaded groove (5), so that the dust in the threaded groove (5) is prevented from entering the threaded groove (5) when the brush cleaning part (4) cleans the inner wall of the air duct.

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